Hand odds / AA vs AT

AA vs AT: odds and equity

In short

AA wins 91.2% of the time against ATo all in before the flop, ATo wins 7.5%, and they split the pot 1.3% of the time. AA is a big favourite, more than 11 to 1. With AA vs ATs the split is 86.7% to 13.3% in equity.

AA

91.9%

vs

ATo

8.1%

Equity: win% plus half of the 1.3% split pots. AA is a big favourite, more than 11 to 1.

Every suit combination

MatchupHand 1 winsHand 2 winsSplitHand 1 equity
AA vs ATs86.1%12.7%1.2%86.7%
AA vs ATo91.2%7.5%1.3%91.9%

What the flop does to it

When no 10 comes on the flop (87.8% of flops), AA has 92.9% equity going to the turn. When one does, AA drops to 84.2%.

AA holds one of ATo's cards, so ATo has fewer ways to pair. That's what makes this one so lopsided.

When this all-in happens in push/fold

At 10BB in 6-max, the Button shoves AA always and the Big Blind calls with ATo always, so this exact all-in comes straight off the charts.

How often each hand shoves or calls in our solved 6-max chip-EV charts. A row with both columns high is a spot where this exact all-in is correct for both players. See every chart.

Common questions

Who is the favourite, AA or AT?
AA. All in preflop it has 91.9% equity against ATo: 91.2% wins plus half of the 1.3% split pots. That's a big favourite, more than 11 to 1.
Do suits change the odds?
A little. AA vs ATs is 86.7% to 13.3%; AA vs ATo is 91.9% to 8.1%. Suited hands make more flushes, which is worth a few percent.
What happens on the flop?
When no 10 comes on the flop (87.8% of flops), AA has 92.9% equity going to the turn. When one does, AA drops to 84.2%.
When does AA vs AT happen in push/fold?
At 10BB in 6-max, the Button shoves AA always and the Big Blind calls with ATo always, so this exact all-in comes straight off the charts.
How were these odds worked out?
By counting every possible five-card board for every combination of suits: 36 card combinations for AA vs ATo, 1,712,304 boards each. The numbers are exact, not simulated.

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